CN201785998U - Structure of exhaust pipe - Google Patents
Structure of exhaust pipe Download PDFInfo
- Publication number
- CN201785998U CN201785998U CN2010205115780U CN201020511578U CN201785998U CN 201785998 U CN201785998 U CN 201785998U CN 2010205115780 U CN2010205115780 U CN 2010205115780U CN 201020511578 U CN201020511578 U CN 201020511578U CN 201785998 U CN201785998 U CN 201785998U
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- cover plate
- exhaust pipe
- air inlet
- inlet port
- pipe structure
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Abstract
The utility model belongs to the technical field of structure of an exhaust pipe for a building, and provides a structure of an exhaust pipe, which comprises an exhaust pipe body, wherein one side wall of the exhaust pipe body is provided with a through hole which is internally provided with a cover plate, the cover plate is provided with an air inlet, a gap is arranged between the cover plate and the side wall of the through hole, and the gap is internally provided with sizing agent which can be used for adhering the cover plate on the exhaust pipe body and blocking the gap. For the structure of the exhaust pipe, a guide pipe or an exhaust duct of a Venturi plate is especially suitable for being arranged at the air inlet, the exhaust pipe body is provided with the through hole, the gap is arranged between the cover plate and the through hole, and the sizing agent is used for blocking the gap; when the position of the air inlet is adjusted, the structures of the guide pipe and the Venturi plate can not be damaged, and simultaneously, in the installation process of the semi-finished exhaust pipe body, building rubbish falling into the exhaust pipe body is not easy to be blocked.
Description
Technical field
The utility model belongs to building exhaust pipe structure technical field, relates in particular to a kind of exhaust pipe structure of being convenient to the non-once moulding of construction and installation.
Background technology
At present, the exhaust pipe structure that the building shared ventilation system uses, be in factory, to produce in advance and be finished product, air inlet port directly is opened on the stack body, then finished product is transported to site operation and installs, and particularly is provided with the stack of guide pipe in the air inlet port place, the normal like this air inlet port position of reservation of causing needs to adjust with on-the-spot not exclusively coincideing, because the air inlet port position is fixing, be difficult in the erecting bed adjust, be not easy to construction.Exhaust pipe structure of the prior art is when adjusting the air inlet port position, the normal guide pipe that destroys, guide function was lost efficacy, also have, exhaust pipe structure of the prior art, in installation process, the building waste that drops in the pipeline is stuck in the guide pipe place easily, cause the exhaust passage blocked, clear and coherent suitable trouble.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of exhaust pipe structure and mounting method thereof are provided, its installation, easy construction, and the position of air inlet port is easy to adjust, and structural reliability is good.
The utility model is achieved in that a kind of exhaust pipe structure, comprise the stack body, one sidewall of described stack body offers through hole, be placed with a cover plate in the described through hole, offer air inlet port on the described cover plate, be provided with the gap between the sidewall of described cover plate and described through hole, can be bonded on the stack body described cover plate and the slurry in the described gap of shutoff but be provided with in the described gap.
Further, the described at least stack body sidewall that offers through hole is provided with the slurry curing overlapping layers.
Further, described slurry curing overlapping layers lateral wall is provided with sheet material, and described sheet material is bonded in described slurry curing overlapping layers lateral wall.
Particularly, described cover plate is spliced by at least two scabs.
Further, described cover plate is provided with the guide pipe that is communicated with and is surrounded on described air inlet port with described air inlet port.
Further, be installed with the venturi plate on the described cover plate.
Further, described cover plate is provided with the suspension member that at least one is used for fixing the cover plate of preventing fires.
Further, be installed with the bulge loop band that is surrounded on described air inlet port outside the described cover plate.
The base of valve or connection flexible pipe is installed outside the described air inlet port further.
A kind of exhaust pipe structure that the utility model provides, this structure is particularly suitable for being provided with at the air inlet port place extract duct of guide pipe or venturi plate, it is provided with the gap by offer through hole on the stack body between cover plate and the through hole, again with slurry with the gap shutoff; When adjusting the air inlet port position, do not destroy guide pipe, venturi plated construction, simultaneously, in the semiproduct stack body installation process, the building waste that falls in the stack body is difficult for blocking.
Description of drawings
Fig. 1 is the generalized section of horizontal direction of the stack body of a kind of exhaust pipe structure of providing of the utility model embodiment one;
Fig. 2 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment one;
Fig. 3 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment one;
Fig. 4 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment two;
Fig. 5 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment two;
Fig. 6 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment three;
Fig. 7 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment three;
Fig. 8 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment four;
Fig. 9 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment four;
Figure 10 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment five;
Figure 11 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment five;
Figure 12 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment six;
Figure 13 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment six;
Figure 14 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment seven;
Figure 15 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment seven;
Figure 16 is the generalized section of the horizontal direction of a kind of exhaust pipe structure of providing of the utility model embodiment eight;
Figure 17 is the generalized section of the vertical direction of a kind of exhaust pipe structure of providing of the utility model embodiment eight.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Embodiment one:
As Fig. 1～shown in Figure 3, a kind of exhaust pipe structure that the utility model embodiment provides, comprise stack body 100, one sidewall of described stack body 100 offers through hole 101, be placed with a cover plate 200 in the described through hole 101, offer air inlet port 201 on the described cover plate 200, to be connected with exhaust branch pipe.Be provided with the gap between the sidewall of described cover plate 200 and described through hole 101, can be bonded on the stack body 100 described cover plate 200 and the slurry in the described gap of shutoff but be provided with in the described gap.By offer through hole 101 at the sidewall of stack body 100 greater than cover plate 200, make cover plate 200 in through hole 101 scopes, carry out certain adjustment, to reach the purpose of design of the position of being convenient to adjust air inlet port 201, overcome that air inlet port 201 in the prior art directly fixedly is opened on the stack body 100 and the deficiency that is difficult to adjust the position of air inlet port 201, can make the constructor can adjust the position of air inlet port 201 at the construction field (site) easily, be convenient to construction.After air inlet port 201 is arranged to correct position, again by being filled in the slurry between cover plate 200 and the through hole 101, cover plate 200 is bonded in the through hole 101 on the stack body 100 by slurry, and the gap between shutoff cover plate 200 and the stack body 100, in the settable cementitious sealing performance that has guaranteed body on stack body 100 with cover plate 200, air inlet port 201 positions are easy to adjust, and structural reliability is good.In concrete the application, can in through hole 101, be coated with slurry earlier, this moment, slurry was uncured, be located at cover plate 200 in the through hole 101 then and adjust air inlet port 201 positions, treat that then slurry curing just can make cover plate 200 fixedly be bonded on the stack body 100, and the gap between sealing shutoff cover plate 200 and the stack body 100, operate very simple and easy.
Particularly, described cover plate 200 is spliced by at least two scab (not shown)s, so that the manufacturing moulding of cover plate 200, the quantity of scab can be provided with flexibly according to actual conditions.Additionally, cover plate 200 also can adopt integrated structure, all belongs to protection domain of the present utility model.
Embodiment two:
As shown in Figure 4 and Figure 5, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is on the basis of the exhaust pipe structure described in the embodiment one, the cover plate 200 of a kind of exhaust pipe structure that the utility model embodiment provides is provided with the guide pipe 210 that is communicated with and is surrounded on described air inlet port 201 with described air inlet port 201, guide pipe 210 can be fixed in cover plate 200 inboards by fixture, also can be shaped in cover plate 200 inboards.Guide pipe 210 surrounds air inlet port 201, be beneficial to exhaust, and, again cover plate 200 be fixed in the sidewall of air inlet pipe in the construction later stage by guide strip being located at cover plate 200 inboards, can prevent that building waste drops and stops up guide pipe 210 and air inlet port 201 in work progress, structural reliability is good.And guide pipe 210 is fixed in cover plate 200 inboards, relative position between guide pipe 210 and the air inlet port 201 is fixed, when the position of air inlet port 201 is adjusted, guide pipe 210 is operate as normal reliably still, avoid exhaust pipe structure of the prior art to destroy the deficiency of guide pipe 210 because of adjusting air inlet port 201 positions, also avoided simultaneously dropping to the bad phenomenon that the interior building waste of pipeline is stuck in guide pipe 210 blocking pipes in the installation process, effectively guaranteed the system's function of use after extract duct is installed.
Embodiment three:
As shown in Figure 6 and Figure 7, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is on the basis of the exhaust pipe structure described in the embodiment two, and described cover plate 200 is provided with at least one suspension member 231 that is used for fixing the cover plate 232 of preventing fires.Suspension member 231 is hook-shaped, to connect fire prevention cover plate 232 by fuse link.Fuse link can fuse at a certain temperature automatically, decontrols with the cover plate 232 of will preventing fires in needs, makes fire prevention cover plate 232 sealing guide pipes 210, to intercept fire spreading reliably.
Embodiment four:
As Fig. 8 and shown in Figure 9, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is installed with venturi plate 220 on described cover plate 200 on the basis of the exhaust pipe structure described in the embodiment two.Venturi plate 220 be right against air inlet port 201 and and cover plate 200 surround and form between the functional areas of cross sectional area less than the cross-sectional area of stack body 100.According to Venturi effect, negative pressure is accelerated and formed herein to gas flow velocity by less sectional area the time, avoid the gas in the stack body 100 to flow backward in the room from air inlet port 201, and can make the gas in the room quicken to discharge from stack body 100, exhaust effect is good.And by venturi plate 220 plates are located at cover plate 200 inboards, again cover plate 200 is fixed in the sidewall of air inlet pipe the later stage in construction, can prevents that building waste drops and stops up guide pipe 210 and air inlet port 201 in work progress, structural reliability is good.And venturi plate 220 is fixed in cover plate 200 inboards, and the relative position between venturi plate 220 and the air inlet port 201 is fixed, and when the position of air inlet port 201 was adjusted, venturi plate 220 is operate as normal reliably still.
Embodiment five:
As shown in Figure 10 and Figure 11, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is installed with venturi plate 220 on described cover plate 200 on the basis of the exhaust pipe structure described in the embodiment three.Venturi plate 220 be right against air inlet port 201 and and cover plate 200 surround and form between the functional areas of cross sectional area less than the cross-sectional area of stack body 100.According to Venturi effect, negative pressure is accelerated and formed herein to gas flow velocity by less sectional area the time, avoid the gas in the stack body 100 to flow backward in the room from air inlet port 201, and can make the gas in the room quicken to discharge from stack body 100, exhaust effect is good.And by venturi plate 220 plates are located at cover plate 200 inboards, again cover plate 200 is fixed in the sidewall of air inlet pipe the later stage in construction, can prevents that building waste drops and stops up guide pipe 210 and air inlet port 201 in work progress, structural reliability is good.And venturi plate 220 is fixed in cover plate 200 inboards, and the relative position between venturi plate 220 and the air inlet port 201 is fixed, and when the position of air inlet port 201 was adjusted, venturi plate 220 is operate as normal reliably still.
Embodiment six:
As Figure 12 and shown in Figure 13, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is installed with venturi plate 220 on described cover plate 200 on the basis of the exhaust pipe structure described in the embodiment one.Venturi plate 220 be right against air inlet port 201 and and cover plate 200 surround and form between the functional areas of cross sectional area less than the cross-sectional area of stack body 100.According to Venturi effect, negative pressure is accelerated and formed herein to gas flow velocity by less sectional area the time, avoid the gas in the stack body 100 to flow backward in the room from air inlet port 201, and can make the gas in the room quicken to discharge from stack body 100, exhaust effect is good.And by venturi plate 220 plates are located at cover plate 200 inboards, again cover plate 200 is fixed in the sidewall of air inlet pipe the later stage in construction, can prevents that building waste drops and stops up air inlet port 201 in work progress, structural reliability is good.And venturi plate 220 is fixed in cover plate 200 inboards, and the relative position between venturi plate 220 and the air inlet port 201 is fixed, and when the position of air inlet port 201 was adjusted, venturi plate 220 is operate as normal reliably still.
Embodiment seven:
As Figure 14 and shown in Figure 15, a kind of exhaust pipe structure that the utility model embodiment provides, further, it is on the basis of the exhaust pipe structure described in the embodiment four, and described cover plate 200 outsides are installed with the bulge loop band 230 that is surrounded on described air inlet port 201.So that the connection exhaust branch pipe makes sealing reliably between exhaust branch pipe and the cover plate 200.
Embodiment eight:
As Figure 16 and shown in Figure 17, a kind of exhaust pipe structure that the utility model embodiment provides, comprise stack body 100, one sidewall of described stack body 100 offers through hole 101, be placed with a cover plate 200 in the described through hole 101, offer air inlet port 201 on the described cover plate 200, to be connected with exhaust branch pipe.Be provided with the gap between the sidewall of described cover plate 200 and described through hole 101, can be bonded on the stack body 100 described cover plate 200 and the slurry in the described gap of shutoff but be provided with in the described gap.By offer through hole 101 at the sidewall of stack body 100 greater than cover plate 200, make cover plate 200 in through hole 101 scopes, carry out certain adjustment, to reach the purpose of design of the position of being convenient to adjust air inlet port 201, overcome that air inlet port 201 in the prior art directly fixedly is opened on the stack body 100 and the deficiency that is difficult to adjust the position of air inlet port 201, can make the constructor can adjust the position of air inlet port 201 at the construction field (site) easily, be convenient to construction.After air inlet port 201 is arranged to correct position, again by being filled in the slurry between cover plate 200 and the through hole 101, cover plate 200 is bonded in the through hole 101 on the stack body 100 by slurry, and the gap between shutoff cover plate 200 and the stack body 100, in the settable cementitious sealing performance that has guaranteed body on stack body 100 with cover plate 200, air inlet port 201 positions are easy to adjust, and structural reliability is good.In concrete the application, can in through hole 101, be coated with slurry earlier, this moment, slurry was uncured, be located at cover plate 200 in the through hole 101 then and adjust air inlet port 201 positions, treat that then slurry curing just can make cover plate 200 fixedly be bonded on the stack body 100, and the gap between sealing shutoff cover plate 200 and the stack body 100, operate very simple and easy.
Particularly, described cover plate 200 is spliced by at least two scabs, so that the manufacturing moulding of cover plate 200, the quantity of scab can be provided with flexibly according to actual conditions.Additionally, cover plate 200 also can adopt integrated structure, all belongs to protection domain of the present utility model.
Further, at least the sidewall that described stack body 100 offers through hole 101 is provided with slurry curing overlapping layers 300, slurry curing overlapping layers 300 is covered in stack body 100 and offers on the sidewall of through hole 101 or be covered in simultaneously on other sidewall of stack body 100, form double side walls with the sidewall that offers through hole 101 with stack body 100, reliability is good.In the present embodiment, it is raw material that slurry curing overlapping layers 300 adopts slurry, be applied in and the sidewall of cover plate 200 be installed on the stack body 100 and solidify to form slurry curing overlapping layers 300, with securing cover plate 200 better, make cover plate 200 can be fixed in the sidewall of stack body 100 more reliably, further improved the sealing performance of structure.
Further, described slurry curing overlapping layers 300 lateral walls are provided with sheet material, and described sheet material is bonded in described slurry curing overlapping layers 300 lateral walls.Sheet material can be ceramic tile etc., has further guaranteed the sealing and the intensity of structure, and can make stack body 100 elegant in appearance, and sheet material, slurry curing overlapping layers 300 form three layers of sidewall with stack body 100, and reliability is good.
Particularly, cover plate 200 is spliced by at least two scab (not shown)s, so that adjust the position of air inlet port 201 in larger scope, the quantity of scab can be provided with flexibly according to actual conditions.Additionally, cover plate 200 also can adopt integrated structure, all belongs to protection domain of the present utility model.
Further, cover plate 200 is provided with the guide pipe 210 that is connected with air inlet port 201 and surrounds air inlet port 201, and guide pipe 210 can be fixed in cover plate 200 inboards by fixture, also can be shaped in cover plate 200 inboards.Guide pipe 210 surrounds air inlet port 201, be beneficial to exhaust, and, again cover plate 200 be fixed in the sidewall of air inlet pipe in the construction later stage by guide strip being located at cover plate 200 inboards, can prevent that building waste drops and stops up guide pipe 210 and air inlet port 201 in work progress, structural reliability is good.And guide pipe 210 is fixed in cover plate 200 inboards, relative position between guide pipe 210 and the air inlet port 201 is fixed, when the position of air inlet port 201 is adjusted, guide pipe 210 is operate as normal reliably still, avoid exhaust pipe structure of the prior art to destroy the deficiency of guide pipe 210 because of adjusting air inlet port 201 positions, also avoided simultaneously dropping to the bad phenomenon that the interior building waste of pipeline is stuck in guide pipe 210 blocking pipes in the installation process, effectively guaranteed the system's function of use after extract duct is installed.
Further, be installed with venturi plate 220 on the cover plate 200, venturi plate 220 be right against air inlet port 201 and and cover plate 200 surround and form between the functional areas of cross sectional area less than the cross-sectional area of stack body 100.Venturi plate 220 can be fixed on the cover plate 200 by locking member, also can be shaped on the cover plate 200.According to Venturi effect, negative pressure is accelerated and formed herein to gas flow velocity by less sectional area the time, avoid the gas in the stack body 100 to flow backward in the room from air inlet port 201, and can make the gas in the room quicken to discharge from stack body 100, exhaust effect is good.And by venturi plate 220 plates are located at cover plate 200 inboards, again cover plate 200 is fixed in the sidewall of air inlet pipe the later stage in construction, can prevents that building waste drops and stops up air inlet port 201 in work progress, structural reliability is good.And venturi plate 220 is fixed in cover plate 200 inboards, and the relative position between venturi plate 220 and the air inlet port 201 is fixed, and when the position of air inlet port 201 was adjusted, venturi plate 220 is operate as normal reliably still.
Further, described cover plate 200 is provided with the suspension member 231 that at least one is used for fixing the cover plate 232 of preventing fires.Suspension member 231 is hook-shaped, to connect fire prevention cover plate 232 by fuse link.Fuse link can fuse at a certain temperature automatically, decontrols with the cover plate 232 of will preventing fires in needs, makes fire prevention cover plate 232 sealing guide pipes 210, to intercept fire spreading reliably.Further, described cover plate 200 outsides are installed with the bulge loop band 230 that is surrounded on described air inlet port 201.So that the connection exhaust branch pipe makes sealing reliably between exhaust branch pipe and the cover plate 200.
Further, described air inlet port 201 outsides are equipped with valve or connect the base of flexible pipe, so that the connection of exhaust hose.
A kind of exhaust pipe structure that the utility model embodiment provides, its installation process is as follows: at first at factory or solution space difference moulding stack body 100 and cover plate 200, offer most through holes 101 at this moment on the stack body 100 greater than cover plate 200 sizes, the quantity of through hole 101 is corresponding with the quantity of cover plate 200, and concrete quantity can be according to the actual conditions setting.Offer air inlet port 201 on the cover plate 200, be provided with bulge loop band 230 around the air inlet port 201.Again stack body 100 and cover plate 200 are transported to the job site, and stack body 100 is mounted on the building.Cover plate 200 is positioned in the through hole 101 again, and utilizes gap between through hole 101 and the cover plate 200 to adjust the position of cover plate 200 according to actual conditions, make the position of air inlet port 201 meet the site operation requirement, the position of air inlet port 201 is adjusted very convenient.Again slurry is filled in the gap between cover plate 200 and the through hole 101, treats that slurry curing just can be integrated bonded on stack body 100 with cover plate 200, shutoff simultaneously the gap between cover plate 200 and the through hole 101.Like this, can adopt in advance half-finished stack body 100 is installed, when treating that building construction is finished substantially, the construction later stage is fixed in cover plate 200 through hole 101 places on the stack body 100 again, the rubbish of avoiding falling in the stack body 100 is stuck in guide pipe 210 or venturi plate 220 places, and reliability is good; Adopting slurry then is raw material, be applied in the sidewall that stack body 100 is equipped with cover plate 200 and form slurry curing overlapping layers 300, slurry curing overlapping layers 300 is covered in the sidewall of cover plate 200 and stack body 100, sheet material again bonds on slurry curing overlapping layers 300, as ceramic tile etc., at last exhaust hose is connected to air inlet port 201, it is very convenient to construct, solved existing exhaust pipe structure and destroyed the deficiency of guide pipe 210 because of adjusting air inlet port 201 positions, air inlet port 201 positions are adjusted very convenient, also solved in the installation process simultaneously, the building waste that drops in the pipeline is stuck in guide pipe 210 positions, the blocking pipe phenomenon has effectively guaranteed the system's functional performance after extract duct is installed.
Below only be preferred embodiment of the present utility model,, all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model not in order to restriction the utility model.
Claims (9)
1. exhaust pipe structure, comprise the stack body, one sidewall of described stack body offers through hole, it is characterized in that: be placed with a cover plate in the described through hole, offer air inlet port on the described cover plate, be provided with the gap between the sidewall of described cover plate and described through hole, can be bonded on the stack body described cover plate and the slurry in the described gap of shutoff but be provided with in the described gap.
2. a kind of exhaust pipe structure as claimed in claim 1 is characterized in that: the sidewall that described at least stack body offers through hole is provided with the slurry curing overlapping layers.
3. a kind of exhaust pipe structure as claimed in claim 2 is characterized in that: described slurry curing overlapping layers lateral wall is provided with sheet material, and described sheet material is bonded in described slurry curing overlapping layers lateral wall.
4. as each described a kind of exhaust pipe structure in the claim 1, it is characterized in that: described cover plate is spliced by at least two scabs.
5. as each described a kind of exhaust pipe structure in the claim 1 to 4, it is characterized in that: described cover plate is provided with the guide pipe that is communicated with and is surrounded on described air inlet port with described air inlet port.
6. as each described a kind of exhaust pipe structure in the claim 1 to 4, it is characterized in that: be installed with the venturi plate on the described cover plate.
7. as each described a kind of exhaust pipe structure in the claim 1 to 4, it is characterized in that: described cover plate is provided with at least one suspension member that is used for fixing the cover plate of preventing fires.
8. as each described a kind of exhaust pipe structure in the claim 1 to 4, it is characterized in that: the described cover plate outside is installed with the bulge loop band that is surrounded on described air inlet port.
9. as each described a kind of exhaust pipe structure in the claim 1 to 4, it is characterized in that: the described air inlet port outside is equipped with valve or connects the base of flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205115780U CN201785998U (en) | 2010-08-31 | 2010-08-31 | Structure of exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205115780U CN201785998U (en) | 2010-08-31 | 2010-08-31 | Structure of exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201785998U true CN201785998U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205115780U Expired - Fee Related CN201785998U (en) | 2010-08-31 | 2010-08-31 | Structure of exhaust pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN201785998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383581A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN103255904A (en) * | 2013-04-21 | 2013-08-21 | 姚景祥 | Air inlet-and-outlet hole in smoke discharge ventilation pipeline of building and manufacturing method thereof |
-
2010
- 2010-08-31 CN CN2010205115780U patent/CN201785998U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383581A (en) * | 2010-08-31 | 2012-03-21 | 张琦 | Exhaust pipe structure |
| CN102383581B (en) * | 2010-08-31 | 2014-01-15 | 张琦 | Exhaust pipe structure |
| CN103255904A (en) * | 2013-04-21 | 2013-08-21 | 姚景祥 | Air inlet-and-outlet hole in smoke discharge ventilation pipeline of building and manufacturing method thereof |
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| GR01 | Patent grant | ||
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Granted publication date: 20110406 Termination date: 20130831 |